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Discussion Starter · #1 ·
Anyone have any experience regarding the DT cat-back exhaust for the Frontier? (Fit,finish, sound levels and performance) The system looks nice and I am looking for something quiet.
 

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Anyone have any experience regarding the DT cat-back exhaust for the Frontier? (Fit,finish, sound levels and performance) The system looks nice and I am looking for something quiet.
your lookin for somethin quiet but your looking for an aftermarket exhaust? lol

i dont think there is a quiet system out there.

im sure someone on here has the DT system
 

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Look under the exhaust thread, lots of info there on it.
 

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Discussion Starter · #5 · (Edited)
Ok, will research under the exhaust thread further. I know, quiet yet aftermarket, ironic but looking for something that was quieter than my 50 series SUV I had on my 05 Fronty.

Had it on my 2008 frontier sounded great not quiet though.
Did you switch it out for something different? If so, for what reasons?
 

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your lookin for somethin quiet but your looking for an aftermarket exhaust? lol

i dont think there is a quiet system out there.

im sure someone on here has the DT system
I beg to differ.... I have that custom Magnaflow system and it is very quiet as some of the San Diego members that attended our meet can attest too. You can only hear it on harder accelerations. The bigger muffler you go with... the quieter it gets. My Magnaflow muffler is almost as big as the stock one (no...I cant find the part #)
 

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Discussion Starter · #7 ·
I beg to differ.... I have that custom Magnaflow system and it is very quiet as some of the San Diego members that attended our meet can attest too. You can only hear it on harder accelerations. The bigger muffler you go with... the quieter it gets. My Magnaflow muffler is almost as big as the stock one (no...I cant find the part #)
I spoke with Flowmaster and they recommended the 70 series for a quieter muffler although they dont have any kits tailored for the Frontier. I did the custom thing on my 05 Fronty (50 series SUV, Y pipe collector etc) and now am focusing more for bolt on cat-back systems. I guess my assumption is that these systems would be a "cleaner" fit with some sort of performance claims to back. I plan to install headers again as I did previously to uncork the motor as much as "legally" possible with an aftermarket exhaust.

An interesting side note to me was when I put my old truck back to stock (as much as possible) I removed the Airaid intake and set the ECU back to stock (CORTEX) yet the truck seemed as "peppy" with the NISMO headers and modified exhaust remaining. My new truck with the same Airaid and CORTEX program is still somewhat sluggish. When I step on it, I dont hear the same raspy growl from the intake....I know that my new truck being a 4X4 is heavier and a tad slower but I also wonder if the later models were slightly detuned. I bought my 05 with claims of 265hp but the new ones are 261hp...just a thought on my observations. Bottom line, I love this new truck especially with all the little refinements Nissan did with the new models.
 

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There are going to be a good number of happy exhaust owners this coming week when their exhausts arrive. The DT system uses a thick walled 24" stainless packed muffler so it is going to keep the volume down as much as possible without keeping the stock system.
 

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DT website doesn't seem to list a cat-back, but I see you have a system listed for the 2005+ Frontier, prerunnerparts.

Anyone have more info on this exhaust? Is it fully stainless, or coated? What diameter is the tubing? Anyone have sound clips?
 

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Discussion Starter · #10 ·
DT website doesn't seem to list a cat-back, but I see you have a system listed for the 2005+ Frontier, prerunnerparts.

Anyone have more info on this exhaust? Is it fully stainless, or coated? What diameter is the tubing? Anyone have sound clips?
I asked Nick that question and he told me its 2.25 y-pipe to 2.5" for the tailpipe. I just placed an order for the Headers and Cat-back so I'll give more details once I've intalled it.
 

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I asked Nick that question and he told me its 2.25 y-pipe to 2.5" for the tailpipe. I just placed an order for the Headers and Cat-back so I'll give more details once I've intalled it.
Awesome, I'll be looking for your review.
 

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DT Catback

I just received and installed my DT catback exhaust. The fitment was actually pretty decent. I dropped a few hanger brackets, which will make it alot easier. Just make sure to take your time, and don't tighten anything until you work everything into place. As far as flow visually it looks to be greatly improved. I just wish it had a little more idle. It seems to be very quiet, which is good, but I would like just a little more rumble while sitting. All in all I am pleased with it. It's not obnoxious, it fits good, and I could definately tell a difference(butt-dyno) after installing it. I would recommend it to anyone.

2010 Avalanche CC Pro-4X
 

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Discussion Starter · #13 ·
I just received and installed my DT catback exhaust. The fitment was actually pretty decent. I dropped a few hanger brackets, which will make it alot easier. Just make sure to take your time, and don't tighten anything until you work everything into place. As far as flow visually it looks to be greatly improved. I just wish it had a little more idle. It seems to be very quiet, which is good, but I would like just a little more rumble while sitting. All in all I am pleased with it. It's not obnoxious, it fits good, and I could definately tell a difference(butt-dyno) after installing it. I would recommend it to anyone.

2010 Avalanche CC Pro-4X
Glad to know as mine is coming in today. I am reassured about your "quiet" comment as I prefer the silence. I had the Flowmaster on my old truck and the silence of my new truck has changed my preferences (My wife isnt annoyed anymore when she rides with me=-)

I also ordered the shorty headers which I'll have installed by a local shop. Its worth the labor cost when it takes the shop only 4 hours to do and I save a few curse words for a later day!
 

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Glad to know as mine is coming in today. I am reassured about your "quiet" comment as I prefer the silence. I had the Flowmaster on my old truck and the silence of my new truck has changed my preferences (My wife isnt annoyed anymore when she rides with me=-)

I also ordered the shorty headers which I'll have installed by a local shop. Its worth the labor cost when it takes the shop only 4 hours to do and I save a few curse words for a later day!
Would be cool if you let your cortex log some before and after 1/4 times...
 

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DT Catback

I might be crazy, but it seems like my exhaust has gotten louder. The one thing that I have noticed is that when you are creeping or slowly getting up to speed, you will hear the exhaust alot better. It has a nice drone to it. Still worth every penny to me.
 

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Discussion Starter · #20 ·
I just installed my Cat-back system this weekend and completed it in one hour without using a lift. I did have to cut the old system just behind the muffler as the tailpipe hung up against the spare tire but I’d imagine this wouldn’t be an issue if the vehicle was on a lift. The fit and finish for the new system is top notch and performance is improved when stomping the pedal….it really lurches at mid RPMS and I haven’t even installed the headers yet! The short time evaluating the mileage has yielded me improvement approximately .3 mpg. I’ll be able to give a more accurate assessment after spending a tank or two of gas to take into account “back to school” traffic and the computer adjusting. The sound is quiet on the outside but inside there is a considerable drone around 2.5K. I’m expecting this to quiet down over the next few hundred miles (I hope) as others with the same issue have noted in these exhaust threads. Since I started typing this, I have added some driving time to the exhaust and it has mellowed slightly.
Overall, I would enthusiastically recommend this system as the fit and finish, quality and performance are superb. I’ve listed some the points I noted during the quick hour of installation:
I shot some WD-40 on the nuts and bolts that were going to be removed. I’ m sure that having a brand new truck with only 700 miles was one of the factors that made this easy.
The instructions provided are detailed and accurate. Removal is front to back, left to right. I also removed the two exhaust hangers in order to drop the system. Once on the ground, I cut the tail pipe off.
As detailed in the instructions, assemble the new exhaust but don’t tighten the nuts until the entire system is installed. When I came to installing the muffler, I installed the hanger that I previously removed after hanging the muffler. I also used a “touch” of multi-purpose grease on the ends of all the exhaust pipes. …everything went together with ease.
The tailpipe was easy to install, just required some twisting to get it over the axle. Once fitted on the muffler, I reinstalled the last hanger and then tightened the entire exhaust. I’m not sure what the “little hockey puck” thing is on the tailpipe, but I reinstalled that as well. The only critical issue (as minor as it is) is installing the chrome tip. To tighten/ clamp it on the tailpipe, an Allen wrench and a box wrench are used to tighten it but due to the proximity to the rear leaf spring and the shallowness of the nut, this can be only accomplished by tightening the Allen screw and not the 10mm nut. This will likely strip before it can be fully tightened to limit movement thus my tip wiggles slightly. I’ll probably have it welded as well as the adjoining pipes off the cats but not the muffler should I elect to swap the muffler at a later date.
 
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